Recombinant DNA Technology
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Recombinant DNA Technology

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Recombinant DNA Technology Recombinant DNA Technology Presentation Transcript

  • MIC 210 BASIC MOLECULAR BIOLOGY Lecture 1 Introduction to recombinant DNA technology BY SITI NORAZURA JAMAL (MISS AZURA) 03 006/ 06- 4832132 norazura6775@ns.uitm.edu.my
  • Outline • Biological molecules 1. DNA, RNA, protein - Structure, function, interactions Applications 1. 2. 3. 4. Gene cloning DNA hybridization DNA amplification DNA sequencing
  • Molecular Biology • is the foundation of modern biotechnology • And Biotechnology is the way to • Non-polluting and renewable energy sources • • Cheaper, nutritious and abundant food • • Cloning/ organ regeneration Better and cheaper materials • • Genetically-modified crops Cures for cancer, miracle drugs • • Bio-based fuel eg. ethanol and palm diesel bioplastics, natural fibres A cleaner and more sustainable environment • Bioremediation of toxic waste
  • •Let’s take an example • Diabetes and Insulin
  • • Diabetes is a disease where the body cannot produce insulin • Insulin is the hormone that controls the level of sugar in your blood • Produced by the Islets of Langerhens cells in the pancreas • There is no cure yet • Patients have to receive daily injections of exogenous insulin • Usually insulin extracted from animals • • Expensive, immunological problems, halal?
  • •Insulin • Is a protein • Has to be injected – acid labile • Supply is limited • Life time dependency
  • The biotechnology solutions • Recombinant insulin from bacteria • • Oral / inhalable insulin • • No need to inject Gene therapy • • using bacteria to make insulin Can we repair defective Islet cells? Organ regeneration • Can we make a new pancreas?
  • Insulin Protein Gene
  • Production of insulin in bacteria
  • Genetic engineering = Recombinant DNA = •The technology to cut and paste DNA from different sources •eg. combining DNA from human and bacteria